2.—(1) A person who, with a view to making an allocation, gives the Secretary of State at least 4 months' notice of his intended retirement is referred to in this Schedule as a “retiring employee”.
(2) For the purposes of this Schedule a person’s relevant birthday is—
(a)where retirement benefits become payable by virtue of regulation E4(5) (redundancy, etc.), his 50th, and
(b)in any other case, his 60th.